Feds to start getting weekly emails asking what they did. Bosses will see if it fits Trump ...
The new strategy is in part meant to allow supervisors and agency heads to check whether employees’ work fits into the Trump ...
Trump, Zelenskiy did not sign minerals deal, White House says
U.S. President Donald Trump and Ukrainian President Volodymyr Zelenskiy did not sign a minerals deal on Friday, a White House ...
DID异质性处理效应分析详解：交叠DID与异质性估计量汇总及命令语法
近年来，双重差分法（DID）在因果推断领域得到了广泛应用，但其在处理效应异质性方面的局限性逐渐显现。针对这一问题，研究者们提出了多种改进方法，其中交叠DID（Overlapping ...